In search of some answersfor his task, Jimmy interviewed his grandmother who of course knew nothing about the reason why Jimmy asked such questions.
为了寻找这个任务的答案，吉米采访了他的祖母，她当然不知道吉米为什么问这样的问题。
2
Biologist Jill Farrant of the University of Cape Town in South Africa says that nature has plenty of answersfor people who want to grow crops in places with unpredictable rainfall.